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Author: Admin @CloudCentric

Siemens VersiCharge AC Series EV Chargers

Written by Admin @CloudCentric on . Posted in CISA-Published Industrial Control System Vulnerabilities.

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens’ ProductCERT Security Advisories (CERT Services | Services | Siemens Global).

View CSAF

1. EXECUTIVE SUMMARY

  • CVSS v4 8.7
  • ATTENTION: Exploitable from adjacent network/low attack complexity
  • Vendor: Siemens
  • Equipment: VersiCharge AC Series EV Chargers
  • Vulnerabilities: Missing Immutable Root of Trust in Hardware, Initialization of a Resource with an Insecure Default

2. RISK EVALUATION

Successful exploitation of these vulnerabilities could allow an attacker to gain control of the chargers through default Modbus port or execute arbitrary code by manipulating the M0 firmware.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Siemens reports that the following products are affected:

  • Siemens IEC 1Ph 7.4kW Child socket (8EM1310-2EH04-0GA0): All versions (CVE-2025-31929)
  • Siemens IEC 1Ph 7.4kW Parent socket (8EM1310-2EH04-3GA1): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 1Ph 7.4kW Parent socket incl. SIM (8EM1310-2EH04-3GA2): All versions (CVE-2025-31929)
  • Siemens IEC 1Ph 7.4kW Parent socket incl. SIM (8EM1310-2EH04-3GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 1Ph 7.4kW Parent socket/ shutter (8EM1310-2EN04-3GA1): All versions (CVE-2025-31929)
  • Siemens IEC 1Ph 7.4kW Parent socket/ shutter (8EM1310-2EN04-3GA1): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 1Ph 7.4kW Parent socket/ shutter SIM (8EM1310-2EN04-3GA2): All versions (CVE-2025-31929)
  • Siemens IEC 1Ph 7.4kW Parent socket/ shutter SIM (8EM1310-2EN04-3GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 3Ph 22kW Child cable 7m (8EM1310-3EJ04-0GA0): All versions (CVE-2025-31929)
  • Siemens IEC 3Ph 22kW Child cable 7m (8EM1310-3EJ04-0GA0): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 3Ph 22kW Child socket (8EM1310-3EH04-0GA0): All versions (CVE-2025-31929)
  • Siemens IEC 1Ph 7.4kW Child socket (8EM1310-2EH04-0GA0): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 3Ph 22kW Child socket (8EM1310-3EH04-0GA0): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 3Ph 22kW Child socket/ shutter (8EM1310-3EN04-0GA0): All versions (CVE-2025-31929)
  • Siemens IEC 3Ph 22kW Child socket/ shutter (8EM1310-3EN04-0GA0): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 3Ph 22kW Parent cable 7m (8EM1310-3EJ04-3GA1): All versions (CVE-2025-31929)
  • Siemens IEC 3Ph 22kW Parent cable 7m (8EM1310-3EJ04-3GA1): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 3Ph 22kW Parent cable 7m incl. SIM (8EM1310-3EJ04-3GA2): All versions (CVE-2025-31929)
  • Siemens IEC 3Ph 22kW Parent cable 7m incl. SIM (8EM1310-3EJ04-3GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 3Ph 22kW Parent socket (8EM1310-3EH04-3GA1): All versions (CVE-2025-31929)
  • Siemens IEC 3Ph 22kW Parent socket (8EM1310-3EH04-3GA1): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 3Ph 22kW Parent socket incl. SIM (8EM1310-3EH04-3GA2): All versions (CVE-2025-31929)
  • Siemens IEC 1Ph 7.4kW Child socket/ shutter (8EM1310-2EN04-0GA0): All versions (CVE-2025-31929)
  • Siemens IEC 3Ph 22kW Parent socket incl. SIM (8EM1310-3EH04-3GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 3Ph 22kW Parent socket/ shutter (8EM1310-3EN04-3GA1): All versions (CVE-2025-31929)
  • Siemens IEC 3Ph 22kW Parent socket/ shutter (8EM1310-3EN04-3GA1): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 3Ph 22kW Parent socket/ shutter SIM (8EM1310-3EN04-3GA2): All versions (CVE-2025-31929)
  • Siemens IEC 3Ph 22kW Parent socket/ shutter SIM (8EM1310-3EN04-3GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA0): All versions (CVE-2025-31929)
  • Siemens IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA0): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA1): All versions (CVE-2025-31929)
  • Siemens IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA1): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA2): All versions (CVE-2025-31929)
  • Siemens IEC 1Ph 7.4kW Child socket/ shutter (8EM1310-2EN04-0GA0): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC ERK 3Ph 22 kW Child socket (8EM1310-3FH04-0GA0): All versions (CVE-2025-31929)
  • Siemens IEC ERK 3Ph 22 kW Child socket (8EM1310-3FH04-0GA0): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC ERK 3Ph 22 kW Parent socket (8EM1310-3FH04-3GA1): All versions (CVE-2025-31929)
  • Siemens IEC ERK 3Ph 22 kW Parent socket (8EM1310-3FH04-3GA1): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC ERK 3Ph 22 kW Parent socket incl. SI (8EM1310-3FH04-3GA2): All versions (CVE-2025-31929)
  • Siemens IEC ERK 3Ph 22 kW Parent socket incl. SI (8EM1310-3FH04-3GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Cellular 48A NTEP (8EM1310-5HF14-1GA2): All versions (CVE-2025-31929)
  • Siemens UL Commercial Cellular 48A NTEP (8EM1310-5HF14-1GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Child 40A w/ 15118 HW (8EM1310-4CF14-0GA0): All versions (CVE-2025-31929)
  • Siemens IEC 1Ph 7.4kW Parent cable 7m (8EM1310-2EJ04-3GA1): All versions (CVE-2025-31929)
  • Siemens UL Commercial Child 40A w/ 15118 HW (8EM1310-4CF14-0GA0): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Child 48A BA Compliant (8EM1315-5CG14-0GA0): All versions (CVE-2025-31929)
  • Siemens UL Commercial Child 48A BA Compliant (8EM1315-5CG14-0GA0): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Child 48A w/ 15118 HW (8EM1310-5CF14-0GA0): All versions (CVE-2025-31929)
  • Siemens UL Commercial Child 48A w/ 15118 HW (8EM1310-5CF14-0GA0): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Parent 40A with Simcard (8EM1310-4CF14-1GA2): All versions (CVE-2025-31929)
  • Siemens UL Commercial Parent 40A with Simcard (8EM1310-4CF14-1GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Parent 48A (USPS) (8EM1317-5CG14-1GA2): All versions (CVE-2025-31929)
  • Siemens UL Commercial Parent 48A (USPS) (8EM1317-5CG14-1GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Parent 48A BA Compliant (8EM1315-5CG14-1GA2): All versions (CVE-2025-31929)
  • Siemens IEC 1Ph 7.4kW Parent cable 7m (8EM1310-2EJ04-3GA1): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Parent 48A BA Compliant (8EM1315-5CG14-1GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Parent 48A with Simcard BA (8EM1310-5CF14-1GA2): All versions (CVE-2025-31929)
  • Siemens UL Commercial Parent 48A with Simcard BA (8EM1310-5CF14-1GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Parent 48A,15118 25ft Sim (8EM1310-5CG14-1GA2): All versions (CVE-2025-31929)
  • Siemens UL Commercial Parent 48A,15118 25ft Sim (8EM1310-5CG14-1GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Parent 48A, 15118, 25ft (8EM1310-5CG14-1GA1): All versions (CVE-2025-31929)
  • Siemens UL Commercial Parent 48A, 15118, 25ft (8EM1310-5CG14-1GA1): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Parent 48A, 15118, 25ft (8EM1314-5CG14-2FA2): All versions (CVE-2025-31929)
  • Siemens UL Commercial Parent 48A, 15118, 25ft (8EM1314-5CG14-2FA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Commercial Parent 48A, 15118, 25ft (8EM1315-5HG14-1GA2): All versions (CVE-2025-31929)
  • Siemens IEC 1Ph 7.4kW Parent cable 7m incl. SIM (8EM1310-2EJ04-3GA2): All versions (CVE-2025-31929)
  • Siemens UL Commercial Parent 48A, 15118, 25ft (8EM1315-5HG14-1GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens UL Resi High End 40A w/15118 Hw (8EM1312-4CF18-0FA3): All versions (CVE-2025-31929)
  • Siemens UL Resi High End 48A w/15118 Hw (8EM1312-5CF18-0FA3): All versions (CVE-2025-31929)
  • Siemens VersiCharge Blue™ 80A AC Cellular (8EM1315-7BG16-1FH2): All versions (CVE-2025-31929)
  • Siemens VersiCharge Blue™ 80A AC Cellular (8EM1315-7BG16-1FH2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 1Ph 7.4kW Parent cable 7m incl. SIM (8EM1310-2EJ04-3GA2): All versions prior to V2.135 (CVE-2025-31930)
  • Siemens IEC 1Ph 7.4kW Parent socket (8EM1310-2EH04-3GA1): All versions (CVE-2025-31929)

3.2 VULNERABILITY OVERVIEW

3.2.1 MISSING IMMUTABLE ROOT OF TRUST IN HARDWARE CWE-1326

The affected devices do not contain an Immutable Root of Trust in the M0 Hardware. An attacker with physical access to the device could use this to execute arbitrary code.

CVE-2025-31929 has been assigned to this vulnerability. A CVSS v3.1 base score of 4.2 has been calculated; the CVSS vector string is (CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

A CVSS v4 score has also been calculated for CVE-2025-31929. A base score of 4.1 has been calculated; the CVSS vector string is (CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N).

3.2.2 INITIALIZATION OF A RESOURCE WITH AN INSECURE DEFAULT CWE-1188

The affected devices contain the Modbus service enabled by default. This could allow an attacker connected to the same network to remotely control the EV charger.

CVE-2025-31930 has been assigned to this vulnerability. A CVSS v3.1 base score of 8.8 has been calculated; the CVSS vector string is (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

A CVSS v4 score has also been calculated for CVE-2025-31930. A base score of 8.7 has been calculated; the CVSS vector string is (CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:N/SA:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Energy
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Germany

3.4 RESEARCHER

Siemens reported these vulnerabilities to CISA.

4. MITIGATIONS

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

  • (CVE-2025-31929) IEC 1Ph 7.4kW Child socket (8EM1310-2EH04-0GA0), IEC 1Ph 7.4kW Child socket/ shutter (8EM1310-2EN04-0GA0), IEC 1Ph 7.4kW Parent cable 7m (8EM1310-2EJ04-3GA1), IEC 1Ph 7.4kW Parent cable 7m incl. SIM (8EM1310-2EJ04-3GA2), IEC 1Ph 7.4kW Parent socket (8EM1310-2EH04-3GA1), IEC 1Ph 7.4kW Parent socket incl. SIM (8EM1310-2EH04-3GA2), IEC 1Ph 7.4kW Parent socket/ shutter (8EM1310-2EN04-3GA1), IEC 1Ph 7.4kW Parent socket/ shutter SIM (8EM1310-2EN04-3GA2), IEC 3Ph 22kW Child cable 7m (8EM1310-3EJ04-0GA0), IEC 3Ph 22kW Child socket (8EM1310-3EH04-0GA0), IEC 3Ph 22kW Child socket/ shutter (8EM1310-3EN04-0GA0), IEC 3Ph 22kW Parent cable 7m (8EM1310-3EJ04-3GA1), IEC 3Ph 22kW Parent cable 7m incl. SIM (8EM1310-3EJ04-3GA2), IEC 3Ph 22kW Parent socket (8EM1310-3EH04-3GA1), IEC 3Ph 22kW Parent socket incl. SIM (8EM1310-3EH04-3GA2), IEC 3Ph 22kW Parent socket/ shutter (8EM1310-3EN04-3GA1), IEC 3Ph 22kW Parent socket/ shutter SIM (8EM1310-3EN04-3GA2), IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA0), IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA1), IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA2), IEC ERK 3Ph 22 kW Child socket (8EM1310-3FH04-0GA0), IEC ERK 3Ph 22 kW Parent socket (8EM1310-3FH04-3GA1), IEC ERK 3Ph 22 kW Parent socket incl. SI (8EM1310-3FH04-3GA2), UL Commercial Cellular 48A NTEP (8EM1310-5HF14-1GA2), UL Commercial Child 40A w/ 15118 HW (8EM1310-4CF14-0GA0), UL Commercial Child 48A BA Compliant (8EM1315-5CG14-0GA0), UL Commercial Child 48A w/ 15118 HW (8EM1310-5CF14-0GA0), UL Commercial Parent 40A with Simcard (8EM1310-4CF14-1GA2), UL Commercial Parent 48A (USPS) (8EM1317-5CG14-1GA2), UL Commercial Parent 48A BA Compliant (8EM1315-5CG14-1GA2), UL Commercial Parent 48A with Simcard BA (8EM1310-5CF14-1GA2), UL Commercial Parent 48A, 15118, 25ft (8EM1310-5CG14-1GA1), UL Commercial Parent 48A, 15118, 25ft (8EM1314-5CG14-2FA2), UL Commercial Parent 48A, 15118, 25ft (8EM1315-5HG14-1GA2), UL Commercial Parent 48A,15118 25ft Sim (8EM1310-5CG14-1GA2), UL Resi High End 40A w/15118 Hw (8EM1312-4CF18-0FA3), UL Resi High End 48A w/15118 Hw (8EM1312-5CF18-0FA3), VersiCharge Blue™ 80A AC Cellular (8EM1315-7BG16-1FH2): Currently no fix is planned
  • (CVE-2025-31930) IEC 1Ph 7.4kW Child socket (8EM1310-2EH04-0GA0), IEC 1Ph 7.4kW Child socket/ shutter (8EM1310-2EN04-0GA0), IEC 1Ph 7.4kW Parent cable 7m (8EM1310-2EJ04-3GA1), IEC 1Ph 7.4kW Parent cable 7m incl. SIM (8EM1310-2EJ04-3GA2), IEC 1Ph 7.4kW Parent socket (8EM1310-2EH04-3GA1), IEC 1Ph 7.4kW Parent socket incl. SIM (8EM1310-2EH04-3GA2), IEC 1Ph 7.4kW Parent socket/ shutter (8EM1310-2EN04-3GA1), IEC 1Ph 7.4kW Parent socket/ shutter SIM (8EM1310-2EN04-3GA2), IEC 3Ph 22kW Child cable 7m (8EM1310-3EJ04-0GA0), IEC 3Ph 22kW Child socket (8EM1310-3EH04-0GA0), IEC 3Ph 22kW Child socket/ shutter (8EM1310-3EN04-0GA0), IEC 3Ph 22kW Parent cable 7m (8EM1310-3EJ04-3GA1), IEC 3Ph 22kW Parent cable 7m incl. SIM (8EM1310-3EJ04-3GA2), IEC 3Ph 22kW Parent socket (8EM1310-3EH04-3GA1), IEC 3Ph 22kW Parent socket incl. SIM (8EM1310-3EH04-3GA2), IEC 3Ph 22kW Parent socket/ shutter (8EM1310-3EN04-3GA1), IEC 3Ph 22kW Parent socket/ shutter SIM (8EM1310-3EN04-3GA2), IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA0), IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA1), IEC ERK 3Ph 22 kW Child cable 7m (8EM1310-3FJ04-0GA2), IEC ERK 3Ph 22 kW Child socket (8EM1310-3FH04-0GA0), IEC ERK 3Ph 22 kW Parent socket (8EM1310-3FH04-3GA1), IEC ERK 3Ph 22 kW Parent socket incl. SI (8EM1310-3FH04-3GA2), UL Commercial Cellular 48A NTEP (8EM1310-5HF14-1GA2), UL Commercial Child 40A w/ 15118 HW (8EM1310-4CF14-0GA0), UL Commercial Child 48A BA Compliant (8EM1315-5CG14-0GA0), UL Commercial Child 48A w/ 15118 HW (8EM1310-5CF14-0GA0), UL Commercial Parent 40A with Simcard (8EM1310-4CF14-1GA2), UL Commercial Parent 48A (USPS) (8EM1317-5CG14-1GA2), UL Commercial Parent 48A BA Compliant (8EM1315-5CG14-1GA2), UL Commercial Parent 48A with Simcard BA (8EM1310-5CF14-1GA2), UL Commercial Parent 48A, 15118, 25ft (8EM1310-5CG14-1GA1), UL Commercial Parent 48A, 15118, 25ft (8EM1314-5CG14-2FA2), UL Commercial Parent 48A, 15118, 25ft (8EM1315-5HG14-1GA2), UL Commercial Parent 48A,15118 25ft Sim (8EM1310-5CG14-1GA2), VersiCharge Blue™ 80A AC Cellular (8EM1315-7BG16-1FH2): Update to V2.135 or later version. The latest version will be pushed to the device OTA if the charger is completely commissioned and connected to Siemens Device Management. Contact Siemens Customer Service for further assistance or troubleshooting.

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-556937 in HTML and CSAF.

CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as:

  • Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.
  • Locate control system networks and remote devices behind firewalls and isolating them from business networks.
  • When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs). Recognize VPNs may have vulnerabilities, should be updated to the most recent version available, and are only as secure as the connected devices.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time. These vulnerabilities are not exploitable remotely.

5. UPDATE HISTORY

May 15, 2025: Initial Republication of Siemens Advisory SSA-556937

Siemens User Management Component (UMC)

Written by Admin @CloudCentric on . Posted in CISA-Published Industrial Control System Vulnerabilities.

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens’ ProductCERT Security Advisories (CERT Services | Services | Siemens Global).

View CSAF

1. EXECUTIVE SUMMARY

  • CVSS v4 8.7
  • ATTENTION: Exploitable remotely/low attack complexity
  • Vendor: Siemens
  • Equipment: User Management Component (UMC)
  • Vulnerabilities: Out-of-bounds Read, Out-of-bounds Write

2. RISK EVALUATION

Successful exploitation of these vulnerabilities could allow an unauthenticated remote attacker to cause a denial-of-service condition.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Siemens reports that the following products are affected:

  • Siemens SIMATIC PCS neo V4.1: All versions
  • Siemens SIMATIC PCS neo V5.0: All versions
  • Siemens SINEC NMS: All versions
  • Siemens SINEMA Remote Connect: All versions
  • Siemens Totally Integrated Automation Portal (TIA Portal) V17: All versions
  • Siemens Totally Integrated Automation Portal (TIA Portal) V18: All versions
  • Siemens Totally Integrated Automation Portal (TIA Portal) V19: All versions
  • Siemens Totally Integrated Automation Portal (TIA Portal) V20: All versions
  • Siemens User Management Component (UMC): All versions prior to V2.15.1.1

3.2 VULNERABILITY OVERVIEW

3.2.1 OUT-OF-BOUNDS READ CWE-125

The affected products contain a out-of-bound read buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial-of-service condition.

CVE-2025-30174 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

A CVSS v4 score has also been calculated for CVE-2025-30174. A base score of 8.7 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N).

3.2.2 OUT-OF-BOUNDS WRITE CWE-787

The affected products contain a out-of-bound write buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial-of-service condition.

CVE-2025-30175 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

A CVSS v4 score has also been calculated for CVE-2025-30175. A base score of 8.7 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N).

3.2.3 OUT-OF-BOUNDS READ CWE-125

The affected products contain a out-of-bound read buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial-of-service condition.

CVE-2025-30176 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

A CVSS v4 score has also been calculated for CVE-2025-30176. A base score of 8.2 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Germany

3.4 RESEARCHER

Siemens reported these vulnerabilities to CISA.

4. MITIGATIONS

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

  • All affected products: In non-networked scenarios/deployments block TCP ports 4002 and 4004 on machines with UMC installed. In addition if no RT server machines are used, port 4004 can be blocked completely
  • SIMATIC PCS neo V4.1: Currently no fix is planned
  • SIMATIC PCS neo V5.0, SINEMA Remote Connect: Currently no fix is available
  • User Management Component (UMC): Update to V2.15.1.1 or later version
  • SINEC NMS, Totally Integrated Automation Portal (TIA Portal) V17, Totally Integrated Automation Portal (TIA Portal) V18, Totally Integrated Automation Portal (TIA Portal) V19, Totally Integrated Automation Portal (TIA Portal) V20: Update UMC to V2.15.1.1 or later

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-614723 in HTML and CSAF.

CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as:

  • Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.
  • Locate control system networks and remote devices behind firewalls and isolating them from business networks.
  • When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs). Recognize VPNs may have vulnerabilities, should be updated to the most recent version available, and are only as secure as the connected devices.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.

5. UPDATE HISTORY

May 15, 2025: Initial Republication of Siemens Advisory SSA-614723

Siemens OZW Web Servers

Written by Admin @CloudCentric on . Posted in CISA-Published Industrial Control System Vulnerabilities.

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens’ ProductCERT Security Advisories (CERT Services | Services | Siemens Global).

View CSAF

1. EXECUTIVE SUMMARY

  • CVSS v4 10.0
  • ATTENTION: Exploitable remotely/low attack complexity
  • Vendor: Siemens
  • Equipment: OZW Web Servers
  • Vulnerabilities: Improper Neutralization of Special Elements used in an OS Command (‘OS Command Injection’), Improper Neutralization of Special Elements used in an SQL Command (‘SQL Injection’)

2. RISK EVALUATION

Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code on the device with root privileges.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Siemens reports that the following products are affected:

  • OZW672: Versions prior to V8.0 (CVE-2025-26389)
  • OZW672: Versions prior to V6.0 (CVE-2025-26390)
  • OZW772: Versions prior to V8.0 (CVE-2025-26389)
  • OZW772: Versions prior to V6.0 (CVE-2025-26390)

3.2 VULNERABILITY OVERVIEW

3.2.1 IMPROPER NEUTRALIZATION OF SPECIAL ELEMENTS USED IN AN OS COMMAND (‘OS COMMAND INJECTION’) CWE-78

The web service in affected devices does not sanitize the input parameters required for the ex-exportDiagramPage endpoint. This could allow an unauthenticated remote attacker to execute arbitrary code with root privileges.

CVE-2025-26389 has been assigned to this vulnerability. A CVSS v3.1 base score of 10.0 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

A CVSS v4 score has also been calculated for CVE-2025-26389. A base score of 10.0 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H).

3.2.2 IMPROPER NEUTRALIZATION OF SPECIAL ELEMENTS USED IN AN SQL COMMAND (‘SQL INJECTION’) CWE-89

The web service of affected devices is vulnerable to SQL injection when checking authentication data. This could allow an unauthenticated remote attacker to bypass the check and authenticate as Administrator user.

CVE-2025-26390 has been assigned to this vulnerability. A CVSS v3.1 base score of 9.8 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

A CVSS v4 score has also been calculated for CVE-2025-26390. A base score of 9.3 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Germany

3.4 RESEARCHER

RandoriSec reported these vulnerabilities to Siemens reported these vulnerabilities to CISA.
Siemens reported these vulnerabilities to CISA.

4. MITIGATIONS

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-047424 in HTML and CSAF.

CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as:

  • Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.
  • Locate control system networks and remote devices behind firewalls and isolating them from business networks.
  • When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs). Recognize VPNs may have vulnerabilities, should be updated to the most recent version available, and are only as secure as the connected devices.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.

5. UPDATE HISTORY

  • May 15, 2025: Initial Republication of Siemens SSA-047424

Siemens Polarion

Written by Admin @CloudCentric on . Posted in CISA-Published Industrial Control System Vulnerabilities.

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens’ ProductCERT Security Advisories (CERT Services | Services | Siemens Global).

View CSAF

1. EXECUTIVE SUMMARY

  • CVSS v4 7.1
  • ATTENTION: Exploitable remotely/low attack complexity
  • Vendor: Siemens
  • Equipment: Polarion
  • Vulnerabilities: Improper Neutralization of Special Elements used in an SQL Command (‘SQL Injection’), Improper Restriction of XML External Entity Reference, Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’), Observable Response Discrepancy

2. RISK EVALUATION

Successful exploitation of these vulnerabilities could allow attackers to extract data, conduct cross-site scripting attacks or find out valid usernames.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Siemens reports that the following products are affected:

  • Polarion V2310: All versions
  • Polarion V2404: Versions prior to V2404.4 (CVE-2024-51444, CVE-2024-51445, CVE-2024-51446)
  • Polarion V2404: Versions prior to V2404.2 (CVE-2024-51447)

3.2 VULNERABILITY OVERVIEW

3.2.1 IMPROPER NEUTRALIZATION OF SPECIAL ELEMENTS USED IN AN SQL COMMAND (‘SQL INJECTION’) CWE-89

The application insufficiently validates user input for database read queries. This could allow an authenticated remote attacker to conduct an SQL injection attack that bypasses authorization controls and allows to download any data from the application’s database.

CVE-2024-51444 has been assigned to this vulnerability. A CVSS v3.1 base score of 6.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

A CVSS v4 score has also been calculated for CVE-2024-51444. A base score of 7.1 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N).

3.2.2 IMPROPER RESTRICTION OF XML EXTERNAL ENTITY REFERENCE CWE-611

The affected application contains a XML External Entity Injection (XXE) vulnerability in the docx import feature. This could allow an authenticated remote attacker to read arbitrary data from the application server.

CVE-2024-51445 has been assigned to this vulnerability. A CVSS v3.1 base score of 6.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

A CVSS v4 score has also been calculated for CVE-2024-51445. A base score of 7.1 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N).

3.2.3 IMPROPER NEUTRALIZATION OF INPUT DURING WEB PAGE GENERATION (‘CROSS-SITE SCRIPTING’) CWE-79

The file upload feature of the affected application improperly sanitizes xml files. This could allow an authenticated remote attacker to conduct a stored cross-site scripting attack by uploading specially crafted xml files that are later downloaded and viewed by other users of the application.

CVE-2024-51446 has been assigned to this vulnerability. A CVSS v3.1 base score of 6.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L).

A CVSS v4 score has also been calculated for CVE-2024-51446. A base score of 5.1 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L).

3.2.4 OBSERVABLE RESPONSE DISCREPANCY CWE-204

The login implementation of the affected application contains an observable response discrepancy vulnerability when validating usernames. This could allow an unauthenticated remote attacker to distinguish between valid and invalid usernames.

CVE-2024-51447 has been assigned to this vulnerability. A CVSS v3.1 base score of 5.3 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

A CVSS v4 score has also been calculated for CVE-2024-51447. A base score of 6.9 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Germany

3.4 RESEARCHER

Thales Digital Factory reported these vulnerabilities to Siemens.
Luis Manuel Alvarez Tapia from BorgWarner Luxembourg Automotive Systems SARL for reported CVE-2024-51444 to Siemens.
Siemens ProductCERT reported these vulnerabilities to CISA.

4. MITIGATIONS

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

  • Polarion V2404 (CVE-2024-51444, CVE-2024-51445, CVE-2024-51446): Update to V2404.4 or later version
  • Polarion V2404 (CVE-2024-51447): Update to V2404.2 or later version
  • Polarion V2310: Currently no fix is planned

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-162255 in HTML and CSAF.

CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as:

  • Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.
  • Locate control system networks and remote devices behind firewalls and isolating them from business networks.
  • When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs). Recognize VPNs may have vulnerabilities, should be updated to the most recent version available, and are only as secure as the connected devices.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.

5. UPDATE HISTORY

  • May 15, 2025: Initial Republication of Siemens SSA-162255

Siemens SIMATIC PCS neo

Written by Admin @CloudCentric on . Posted in CISA-Published Industrial Control System Vulnerabilities.

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens’ ProductCERT Security Advisories (CERT Services | Services | Siemens Global).

View CSAF

1. EXECUTIVE SUMMARY

  • CVSS v4 8.7
  • ATTENTION: Exploitable remotely/low attack complexity
  • Vendor: Siemens
  • Equipment: SIMATIC PCS neo
  • Vulnerability: Insufficient Session Expiration

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow a remote unauthenticated attacker, who has obtained the session token by other means, to re-use a legitimate user’s session even after logout.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Siemens reports that the following products are affected:

  • SIMATIC PCS neo V4.1: All versions prior to V4.1 Update 3
  • SIMATIC PCS neo V5.0: All versions prior to V5.0 Update 1

3.2 VULNERABILITY OVERVIEW

3.2.1 INSUFFICIENT SESSION EXPIRATION CWE-613

Affected products do not correctly invalidate user sessions upon user logout. This could allow a remote unauthenticated attacker, who has obtained the session token by other means, to re-use a legitimate user’s session even after logout.

CVE-2025-40566 has been assigned to this vulnerability. A CVSS v3.1 base score of 8.8 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

A CVSS v4 score has also been calculated for CVE-2025-40566. A base score of 8.7 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Germany

3.4 RESEARCHER

Siemens reported this vulnerability to CISA.

4. MITIGATIONS

Siemens has released new versions for the affected products and recommends updating to the latest versions:

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-339086 in HTML and CSAF.

CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time.

5. UPDATE HISTORY

  • May 15, 2025: Initial Republication of Siemens ProductCERT SSA-339086

Siemens SIRIUS 3SK2 Safety Relays and 3RK3 Modular Safety Systems

Written by Admin @CloudCentric on . Posted in CISA-Published Industrial Control System Vulnerabilities.

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens’ ProductCERT Security Advisories (CERT Services | Services | Siemens Global).

View CSAF

1. EXECUTIVE SUMMARY

  • CVSS v4 8.7
  • ATTENTION: Exploitable remotely/low attack complexity
  • Vendor: Siemens
  • Equipment: SIRIUS 3RK3 Modular Safety System (MSS), SIRIUS Safety Relays 3SK2
  • Vulnerabilities: Use of a Broken or Risky Cryptographic Algorithm, Missing Encryption of Sensitive Data, Incorrect Permission Assignment for Critical Resource

2. RISK EVALUATION

Successful exploitation of these vulnerabilities could allow an attacker to retrieve and de-obfuscate safety password, eavesdrop connections, or retrieve sensitive information from certain data records.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Siemens reports that the following products are affected:

  • SIRIUS 3RK3 Modular Safety System (MSS): All versions
  • SIRIUS Safety Relays 3SK2: All versions

3.2 VULNERABILITY OVERVIEW

3.2.1 USE OF A BROKEN OR RISKY CRYPTOGRAPHIC ALGORITHM CWE-327

Affected devices only provide weak password obfuscation. An attacker with network access could retrieve and de-obfuscate the safety password used for protection against inadvertent operating errors.

CVE-2025-24007 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

A CVSS v4 score has also been calculated for CVE-2025-24007. A base score of 8.7 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N).

3.2.2 MISSING ENCRYPTION OF SENSITIVE DATA CWE-311

The affected devices do not encrypt data in transit. An attacker with network access could eavesdrop the connection and retrieve sensitive information, including obfuscated safety passwords.

CVE-2025-24008 has been assigned to this vulnerability. A CVSS v3.1 base score of 6.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N).

A CVSS v4 score has also been calculated for CVE-2025-24008. A base score of 8.7 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N).

3.2.3 INCORRECT PERMISSION ASSIGNMENT FOR CRITICAL RESOURCE CWE-732

The affected devices do not require authentication to access critical resources. An attacker with network access could retrieve sensitive information from certain data records, including obfuscated safety passwords.

CVE-2025-24009 has been assigned to this vulnerability. A CVSS v3.1 base score of 5.9 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

A CVSS v4 score has also been calculated for CVE-2025-24009. A base score of 8.2 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Germany

3.4 RESEARCHER

Nikolai Puch, Johanna Latzel, and Ferdinand Jarisch from Fraunhofer AISEC reported these vulnerabilities to Siemens.

4. MITIGATIONS

Siemens is preparing fixed versions and recommends countermeasures for products where fixes are not, or not yet available:

  • SIRIUS 3RK3 Modular Safety System (MSS): Currently no fix is planned.
  • SIRIUS Safety Relays 3SK2: Currently no fix is available.

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

  • Limit physical access to affected devices to trusted personnel.
  • Ensure network isolation of the PROFINET interface to prevent access from unauthorized systems.

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-222768 in HTML and CSAF.

CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.

5. UPDATE HISTORY

  • May 15, 2025: Initial Republication of Siemens ProductCERT SSA-222768

Siemens APOGEE PXC and TALON TC Series

Written by Admin @CloudCentric on . Posted in CISA-Published Industrial Control System Vulnerabilities.

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens’ ProductCERT Security Advisories (CERT Services | Services | Siemens Global).

View CSAF

1. EXECUTIVE SUMMARY

  • CVSS v4 5.3
  • ATTENTION: Exploitable from adjacent network/low attack complexity
  • Vendor: Siemens
  • Equipment: APOGEE PXC and TALON TC Series
  • Vulnerability: Expected Behavior Violation

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow an attacker to cause a partial denial of service and reduce network availability.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Siemens reports the following products are affected:

  • Siemens APOGEE PXC+TALON TC Series: All versions

3.2 VULNERABILITY OVERVIEW

3.2.1 EXPECTED BEHAVIOR VIOLATION CWE-440

The affected devices start sending unsolicited BACnet broadcast messages after processing a specific BACnet createObject request. This could allow an attacker residing in the same BACnet network to send a specially crafted message that results in a partial denial of service condition of the targeted device, and potentially reduce the availability of BACnet network. A power cycle is required to restore the device’s normal operation.

CVE-2025-40555 has been assigned to this vulnerability. A CVSS v3.1 base score of 4.7 has been calculated; the CVSS vector string is (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L).

A CVSS v4 score has also been calculated for CVE-2025-40555. A base score of 5.3 has been calculated; the CVSS vector string is (CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Commercial Facilities, Energy, Government Facilities, Healthcare and Public Health, Information Technology, Transportation Systems
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Germany

3.4 RESEARCHER

Siemens ProductCERT reported this vulnerability to CISA.

4. MITIGATIONS

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

  • APOGEE PXC+TALON TC Series (BACnet): Currently no fix is planned

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-718393 in HTML and CSAF.

CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as:

  • Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the Internet.
  • Locate control system networks and remote devices behind firewalls and isolating them from business networks.
  • When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs). Recognize VPNs may have vulnerabilities, should be updated to the most recent version available, and are only as secure as the connected devices.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time.

5. UPDATE HISTORY

May 15, 2025: Initial Republication of Siemens ProductCERT SSA-718393

Siemens Mendix OIDC SSO

Written by Admin @CloudCentric on . Posted in CISA-Published Industrial Control System Vulnerabilities.

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens’ ProductCERT Security Advisories (CERT Services | Services | Siemens Global).

View CSAF

1. EXECUTIVE SUMMARY

  • CVSS v4 2.1
  • ATTENTION: Exploitable remotely
  • Vendor: Siemens
  • Equipment: Mendix OIDC SSO
  • Vulnerability: Incorrect Privilege Assignment

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow an attacker to modify the system and gain administrator read/write privileges.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Siemens reports the following products are affected:

  • Siemens Mendix OIDC SSO (Mendix 9 compatible): All versions
  • Siemens Mendix OIDC SSO (Mendix 10 compatible): All versions before V4.0.0

3.2 VULNERABILITY OVERVIEW

3.2.1 INCORRECT PRIVILEGE ASSIGNMENT CWE-266

The Mendix OIDC SSO module grants read and write access to all tokens exclusively to the Administrator role, which could result in privilege misuse by an adversary modifying the module during Mendix development.

CVE-2025-40571 has been assigned to this vulnerability. A CVSS v3.1 base score of 2.2 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N).

A CVSS v4 score has also been calculated for CVE-2025-40571. A base score of 2.1 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing, Energy, Financial Services, Healthcare and Public Health, Transportation Systems
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Germany

3.4 RESEARCHER

Siemens ProductCERT reported this vulnerability to CISA.

4. MITIGATIONS

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

  • All affected products: The default configuration of the OIDC.Token entity is set to restrict read/write access only to the administrator role. If this setting is not restrictive enough, the option arises to change the access rule of the specific entity, or to create a different user role to handle different administrative tasks.
  • Mendix OIDC SSO (Mendix 9 compatible): Currently no fix is available.
  • Mendix OIDC SSO (Mendix 10 compatible): Update to V4.0.0 or a later version.

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-726617 in HTML and CSAF.

CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as:

  • Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the Internet.
  • Locate control system networks and remote devices behind firewalls and isolating them from business networks.
  • When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs). Recognize VPNs may have vulnerabilities, should be updated to the most recent version available, and are only as secure as the connected devices.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. This vulnerability has a high attack complexity.

5. UPDATE HISTORY

May 15, 2025: Initial Republication of Siemens ProductCERT SSA-726617

Siemens MS/TP Point Pickup Module

Written by Admin @CloudCentric on . Posted in CISA-Published Industrial Control System Vulnerabilities.

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens’ ProductCERT Security Advisories (CERT Services | Services | Siemens Global).

View CSAF

1. EXECUTIVE SUMMARY

  • CVSS v4 7.1
  • ATTENTION: Exploitable from adjacent network/low attack complexity
  • Vendor: Siemens
  • Equipment: MS/TP Point Pickup Module
  • Vulnerability: Improper Input Validation

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow an attacker to cause a denial of service condition that requires a power cycle to restore normal operation.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Siemens reports the following products are affected:

  • Siemens MS/TP Point Pickup Module: All versions

3.2 VULNERABILITY OVERVIEW

3.2.1 IMPROPER INPUT VALIDATION CWE-20

The affected devices improperly handle specific incoming BACnet MSTP messages. This could allow an attacker residing in the same BACnet network to send a specially crafted MSTP message that results in a denial of service condition of the targeted device. A power cycle is required to restore the device’s normal operation.

CVE-2025-24510 has been assigned to this vulnerability. A CVSS v3.1 base score of 6.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

A CVSS v4 score has also been calculated for CVE-2025-24510. A base score of 7.1 has been calculated; the CVSS vector string is (CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Commercial Facilities, Energy, Government Facilities, Healthcare and Public Health, Information Technology, Transportation Systems
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Germany

3.4 RESEARCHER

Siemens ProductCERT reported this vulnerability to CISA.

4. MITIGATIONS

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

  • MS/TP Point Pickup Module: Currently no fix is planned

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-668154 in HTML and CSAF.

CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as:

  • Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the Internet.
  • Locate control system networks and remote devices behind firewalls and isolating them from business networks.
  • When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs). Recognize VPNs may have vulnerabilities, should be updated to the most recent version available, and are only as secure as the connected devices.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time.

5. UPDATE HISTORY

May 15, 2025: Initial Republication of Siemens ProductCERT SSA-668154

Hitachi Energy Service Suite

Written by Admin @CloudCentric on . Posted in CISA-Published Industrial Control System Vulnerabilities.

View CSAF

1. EXECUTIVE SUMMARY

  • CVSS v4 9.3
  • ATTENTION: Exploitable remotely/low attack complexity
  • Vendor: Hitachi Energy
  • Equipment: Service Suite
  • Vulnerabilities: Use of Less Trusted Source, Inconsistent Interpretation of HTTP Requests (‘HTTP Request/Response Smuggling’), Integer Overflow or Wraparound, Out-of-bounds Write, Allocation of Resources Without Limits or Throttling, Exposure of Sensitive Information to an Unauthorized Actor, Memory Allocation with Excessive Size Value, Out-of-bounds Read, Uncontrolled Resource Consumption, Improper Resource Shutdown or Release, Improper Neutralization of CRLF Sequences in HTTP Headers (‘HTTP Request/Response Splitting’)

2. RISK EVALUATION

Successful exploitation of these vulnerabilities could allow an attacker to compromise the confidentiality, integrity, or availability of affected devices.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Hitachi Energy reports the following products are affected:

  • Service Suite: Versions 9.8.1.3 and prior

3.2 VULNERABILITY OVERVIEW

3.2.1 Use of Less Trusted Source CWE-348

Apache HTTP Server 2.4.53 and earlier, which is part of the Service Suite product, may not send the X-Forwarded-* headers to the origin server due to the client-side Connection header hop-by-hop mechanism. This vulnerability can be exploited to bypass IP-based authentication on the origin server or application.

CVE-2022-31813 has been assigned to this vulnerability. A CVSS v3.1 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

A CVSS v4 score has also been calculated for CVE-2022-31813. A base score of 9.3 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).

3.2.2 Inconsistent Interpretation of HTTP Requests (‘HTTP Request/Response Smuggling’) CWE-444

Some mod_proxy configurations on Service Suite product’s Apache HTTP Server versions 2.4.0 through 2.4.55 allow a HTTP request smuggling attack. Configurations are affected when mod_proxy is enabled along with some form of RewriteRule or ProxyPassMatch in which a non-specific pattern matches some portion of the user-supplied request-target (URL) data and is then re-inserted into the proxied request-target using variable substitution.

CVE-2023-25690 has been assigned to this vulnerability. A CVSS v3.1 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

A CVSS v4 score has also been calculated for CVE-2023-25690. A base score of 9.3 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).

3.2.3 Integer Overflow or Wraparound CWE-190

Apache HTTP Server 2.4.53 and earlier, which is part of the Service Suite product, may crash or disclose information due to a read beyond bounds in ap_strcmp_match() when provided with an extremely large input buffer. While no code distributed with the server can be coerced into making such a call, third-party modules or Lua scripts that use ap_strcmp_match() may hypothetically be affected.

CVE-2022-28615 has been assigned to this vulnerability. A CVSS v3.1 base score of 9.1 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H).

A CVSS v4 score has also been calculated for CVE-2022-28615. A base score of 8.8 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N).

3.2.4 Inconsistent Interpretation of HTTP Requests (‘HTTP Request/Response Smuggling’) CWE-444

An inconsistent interpretation of HTTP requests (‘HTTP request smuggling’) vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server versions 2.4.54 and prior, which are part of the Service Suite product.

CVE-2022-36760 has been assigned to this vulnerability. A CVSS v3.1 base score of 9.0 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H).

A CVSS v4 score has also been calculated for CVE-2022-36760. A base score of 9.2 has been calculated; the CVSS vector string is (AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).

3.2.5 Inconsistent Interpretation of HTTP Requests (‘HTTP Request/Response Smuggling’) CWE-444

An HTTP response smuggling vulnerability exists in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server versions 2.4.30 through 2.4.55, which are part of the Service Suite product. Special characters in the origin response header can truncate or split the response forwarded to the client.

CVE-2023-27522 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

A CVSS v4 score has also been calculated for CVE-2023-27522. A base score of 8.7 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N).

3.2.6 Out-of-bounds Write CWE-787

A carefully crafted If: request header can cause a memory read or write of a single zero byte in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server versions 2.4.54 and earlier, which are part of the Service Suite product.

CVE-2006-20001 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

A CVSS v4 score has also been calculated for CVE-2006-20001. A base score of 8.7 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N).

3.2.7 Allocation of Resources Without Limits or Throttling CWE-770

In Apache HTTP Server 2.4.53 and earlier, which are part of the Service Suite product, a malicious request to a Lua script that calls r:parsebody(0) may cause a denial of service due to the lack of a default limit on possible input size.

CVE-2022-29404 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

A CVSS v4 score has also been calculated for CVE-2022-29404. A base score of 8.7 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N).

3.2.8 Exposure of Sensitive Information to an Unauthorized Actor CWE-200

Apache HTTP Server 2.4.53 and earlier, which is part of the Service Suite product, may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.

CVE-2022-30556 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

A CVSS v4 score has also been calculated for CVE-2022-30556. A base score of 8.7 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N).

3.2.9 Memory Allocation with Excessive Size Value CWE-789

If Apache HTTP Server 2.4.53, which is part of the Service Suite product, is configured to perform transformations with mod_sed in contexts where the input to mod_sed may be very large, mod_sed may make excessively large memory allocations and trigger an abort.

CVE-2022-30522 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

A CVSS v4 score has also been calculated for CVE-2022-30522. A base score of 8.7 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N).

3.2.10 Inconsistent Interpretation of HTTP Requests (‘HTTP Request/Response Smuggling’) CWE-444

An inconsistent interpretation of HTTP requests (‘HTTP request smuggling’) vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server versions 2.4.53 and earlier, which are part of the Service Suite product.

CVE-2022-26377 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

A CVSS v4 score has also been calculated for CVE-2022-26377. A base score of 8.7 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N).

3.2.11 Out-of-bounds Read CWE-125

An inconsistent interpretation of HTTP requests (‘HTTP request smuggling’) vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server versions 2.4.53 and earlier, which are part of the Service Suite product.

CVE-2023-31122 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

A CVSS v4 score has also been calculated for CVE-2023-31122. A base score of 8.7 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N).

3.2.12 Uncontrolled Resource Consumption CWE-400

An attacker opening an HTTP/2 connection with an initial window size of 0 can block the handling of that connection indefinitely in Apache HTTP Server. This could be used to exhaust worker resources in the server, similar to the well-known “slow loris” attack pattern. This issue affects Apache HTTP Server versions 2.4.55 through 2.4.57, which are part of the Service Suite product.

CVE-2023-43622 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

A CVSS v4 score has also been calculated for CVE-2023-43622. A base score of 8.7 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N).

3.2.13 Improper Resource Shutdown or Release CWE-404

When an HTTP/2 stream is reset (RST frame) by a client, there is a time window where the request’s memory resources are not immediately reclaimed. Instead, deallocation is deferred until the connection closes. A client can send new requests and resets, keeping the connection busy and open, causing the memory footprint to keep growing. Upon connection close, all resources are reclaimed, but the process might run out of memory before that. This issue affects Apache HTTP Server versions 2.4.17 through 2.4.57, which are part of the Service Suite product.

CVE-2023-45802 has been assigned to this vulnerability. A CVSS v3.1 base score of 5.9 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

A CVSS v4 score has also been calculated for CVE-2023-45802. A base score of 8.2 has been calculated; the CVSS vector string is (AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N).

3.2.14 Improper Neutralization of CRLF Sequences in HTTP Headers (‘HTTP Request/Response Splitting’) CWE-113

In Apache HTTP Server versions prior to 2.4.55, which are part of the Service Suite product, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.

CVE-2022-37436 has been assigned to this vulnerability. A CVSS v3.1 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).

A CVSS v4 score has also been calculated for CVE-2022-37436. A base score of 6.9 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N).

3.2.15 Exposure of Sensitive Information to an Unauthorized Actor CWE-200

The ap_rwrite() function in Apache HTTP Server versions 2.4.53 and earlier, which are part of the Service Suite product, may read unintended memory if an attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as with mod_lua’s r:puts() function.

CVE-2022-28614 has been assigned to this vulnerability. A CVSS v3.1 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

A CVSS v4 score has also been calculated for CVE-2022-28614. A base score of 6.9 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N).

3.2.16 Out-of-bounds Read CWE-125

Apache HTTP Server versions 2.4.53 and earlier, which are part of the Service Suite product on Windows, may read beyond bounds when configured to process requests with the mod_isapi module.

CVE-2022-28330 has been assigned to this vulnerability. A CVSS v3.1 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

A CVSS v4 score has also been calculated for CVE-2022-28330. A base score of 6.9 has been calculated; the CVSS vector string is (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Energy
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Switzerland

3.4 RESEARCHER

Hitachi Energy reported these vulnerabilities to CISA.

4. MITIGATIONS

Hitachi Energy recommends affected users update to 9.8.1.4

For more information see the associated Hitachi Energy cybersecurity advisory 8DBD000209.

Hitachi Energy recommends security practices and firewall configurations to help protect process control networks from external attacks. These practices include ensuring that process control systems are physically protected from unauthorized personnel, have no direct connections to the Internet, and are separated from other networks by a firewall system with a minimal number of exposed ports. Each case should be evaluated individually. Process control systems should not be used for Internet surfing, instant messaging, or receiving emails. Portable computers and removable storage media should be carefully scanned for viruses before being connected to a control system. Proper password policies and processes should also be followed.

CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.

5. UPDATE HISTORY

  • May 13, 2025: Initial Republication of Hitachi Energy Advisory 8DBD000209